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Fix sketch points 3d Sketch

Question asked by Swme Eng on Jun 20, 2017
Latest reply on Mar 27, 2020 by Steven Boege

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I work a lot with STEP assemblies that get imported with parts and a layout sketch contained in a part. I am trying to figure out an easy way to fix the 3D sketch so that I don't accidentally modify it.

I have tried select all then adding a fix relation, but then all of the line end points are still free to move in space. Unfortunately it looks like fully define sketch is not available for 3d sketches. I also tried using a selection filter for only sketch points, but this won't allow me to select these endpoints. I can successfully click on a single point and fix it, but the number of points in these sketches makes that a non-viable solution.

Any thoughts?

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Glenn Schroeder Jun 20, 2017 12:10 PM

Selecting sketch entities with a click and drag box and choosing Fix will fix endpoints if they're shared by two lines. In the screenshot below I fixed everything except the two circled points with one operation, and then it's easy enough to Ctrl+select them and apply the Fix. Do you have so many lines that don't share an endpoint to make that not workable?

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Swme Eng @ Glenn Schroeder on Jun 20, 2017 12:17 PM

Thanks for the insight Glenn, it looks like there is some small difference between points, or maybe its just because they don't have a coincident relation.

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John Stoltzfus Jun 20, 2017 12:13 PM

I had thoughts - but none that work for doing a Mas Fix on 3D sketch points without a macro, it tis what it tis...- I have often thought that it would be great to have this fixed, except now that's not even needed, because I just found a Macro that I had .. that I downloaded from the forum written be John Milbery if I have it correctly.

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_FullyDefineSketch.swp.zip10.9 KB

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Swme Eng @ John Stoltzfus on Jun 20, 2017 12:16 PM

Macro was going to be my last resort. I may just go that direction because it's not actually that difficult to do from the API now that I think about it.

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Steven Boege @ John Stoltzfus on Mar 27, 2020 6:37 PM

Did _FullyDefineSketch.swp work for you, John?

I tried it and it didn't work as written. I added a section for "3DProfileFeature" objects, then used an example to get the points. But I can't figure out how to fix the points. I tried Part.SketchAddConstraints "sgFIXED", but it didn't work.

Any ideas???

'Execepted from https://help.solidworks.com/2018/english/api/sldworksapi/Get_Sketch_Points_Example_VB.htm
sketchPointArray = swSketch.GetSketchPoints2
For ii = 0 To UBound(sketchPointArray)
' Get value returned by ISketchPoint::GetCoords
Set swSketchPoint = sketchPointArray(i)
' Debug.Print "Value returned by ISketchPoint::GetCoords: " & swSketchPoint.GetCoords
' Get the x & y coordinates
'swSketchPoint.
Part.SketchAddConstraints "sgFIXED"

xValue = sketchPointArray(ii).X
yValue = sketchPointArray(ii).Y
Debug.Print "Sketch point coordinates: "
Debug.Print " x: " & xValue
Debug.Print " y: " & yValue
Debug.Print " "
' Do something useful with the data
Next ii

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5 Replies

Glenn Schroeder Jun 20, 2017 12:10 PM
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Selecting sketch entities with a click and drag box and choosing Fix will fix endpoints if they're shared by two lines. In the screenshot below I fixed everything except the two circled points with one operation, and then it's easy enough to Ctrl+select them and apply the Fix. Do you have so many lines that don't share an endpoint to make that not workable?
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- Swme Eng @ Glenn Schroeder on Jun 20, 2017 12:17 PM
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  Thanks for the insight Glenn, it looks like there is some small difference between points, or maybe its just because they don't have a coincident relation.
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John Stoltzfus Jun 20, 2017 12:13 PM
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Correct Answer
I had thoughts - but none that work for doing a Mas Fix on 3D sketch points without a macro, it tis what it tis...- I have often thought that it would be great to have this fixed, except now that's not even needed, because I just found a Macro that I had .. that I downloaded from the forum written be John Milbery if I have it correctly.
Attachments
- _FullyDefineSketch.swp.zip10.9 KB
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- Swme Eng @ John Stoltzfus on Jun 20, 2017 12:16 PM
  Mark Correct
  Correct Answer
  Macro was going to be my last resort. I may just go that direction because it's not actually that difficult to do from the API now that I think about it.
  Like • Show 1 Like1
  Actions
- Steven Boege @ John Stoltzfus on Mar 27, 2020 6:37 PM
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  Correct Answer
  Did _FullyDefineSketch.swp work for you, John?
  
  I tried it and it didn't work as written. I added a section for "3DProfileFeature" objects, then used an example to get the points. But I can't figure out how to fix the points. I tried Part.SketchAddConstraints "sgFIXED", but it didn't work.
  
  Any ideas???
  
  'Execepted from https://help.solidworks.com/2018/english/api/sldworksapi/Get_Sketch_Points_Example_VB.htm
  sketchPointArray = swSketch.GetSketchPoints2
  For ii = 0 To UBound(sketchPointArray)
  ' Get value returned by ISketchPoint::GetCoords
  Set swSketchPoint = sketchPointArray(i)
  ' Debug.Print "Value returned by ISketchPoint::GetCoords: " & swSketchPoint.GetCoords
  ' Get the x & y coordinates
  'swSketchPoint.
  Part.SketchAddConstraints "sgFIXED"
  
  xValue = sketchPointArray(ii).X
  yValue = sketchPointArray(ii).Y
  Debug.Print "Sketch point coordinates: "
  Debug.Print " x: " & xValue
  Debug.Print " y: " & yValue
  Debug.Print " "
  ' Do something useful with the data
  Next ii
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Fix sketch points 3d Sketch

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